Double bed frame and mattress

Double bed frame - metal and mattress. Dimensions are approximately 54in. x 75in. Bed frame is 17in. Off the floor Mattress alone - $75 (original price was $300 at Costco) Bed frame alone - $70 (original price was $90 at Walmart) Bed frame is 6 months old, mattress is over a year old. Has some rabbit pee stains but has been cleaned numerous times.